PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

688Screw,instrument

Waltham Clock Co Inc · NSN 5305-01-435-8491 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-435-8491 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-435-8491. Primary manufacturer part number: 688.
Features
  • Screw,instrument — FSC 5305
  • 1 verified cross-reference
  • Primary manufacturer: Waltham Clock Co Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,instrument, cataloged under National Stock Number 5305-01-435-8491, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Waltham Clock Co Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameScrew,instrument
FSC / FSG5305 — No Item Name Available (FSG 53)
ManufacturersWaltham Clock Co Inc (CAGE 79300)
Technical Specifications
ParameterValue
NSN5305-01-435-8491
Primary Part Number688
Item NameScrew,instrument
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerWaltham Clock Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-224-0900 INTERCHANGEABLE
Socket,plug-in Electronic Compon
5305-00-359-8866 INTERCHANGEABLE
Screw,thumb
5935-00-543-84755676 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5310-00-593-3409EXBRZPC22 INTERCHANGEABLE
Nut,plain,hexagon
Aerco International, Inc. Dba Aerco International Inc
5930-00-655-1514 INTERCHANGEABLE
Switch,toggle
5365-00-821-045112312 INTERCHANGEABLE
Spacer,sleeve
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6240-00-900-76742308 INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant
7530-01-209-2018 INTERCHANGEABLE
Film,copying,xerographic Process
5330-01-331-7149688 INTERCHANGEABLE
Seal,plain Encased
Smatco Industries Inc
5835-01-390-0880 INTERCHANGEABLE
Recorder-Reproducer,sound
Cross-Reference Index
Part NumberManufacturer
688 Waltham Clock Co Inc (USA)
Related Parts
5935-00-224-0900INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
5305-00-359-8866INTERCHANGEABLE
SCREW,THUMB
5935-00-543-8475INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5676
5310-00-593-3409INTERCHANGEABLE
NUT,PLAIN,HEXAGON
EXBRZPC22
5930-00-655-1514INTERCHANGEABLE
SWITCH,TOGGLE
5365-00-821-0451INTERCHANGEABLE
SPACER,SLEEVE
12312
6240-00-900-7674INTERCHANGEABLE
LAMP,INCANDESCENT
2308
7530-01-209-2018INTERCHANGEABLE
FILM,COPYING,XEROGRAPHIC PROCESS
5330-01-331-7149INTERCHANGEABLE
SEAL,PLAIN ENCASED
688
5835-01-390-0880INTERCHANGEABLE
RECORDER-REPRODUCER,SOUND
5985-01-433-6975INTERCHANGEABLE
DUMMY LOAD GROUP,ELECTRICAL
688
4930-01-467-4744INTERCHANGEABLE
OILER,SELF-FEEDING
688

Frequently Asked Questions

What is NSN 5305-01-435-8491?

NSN 5305-01-435-8491 is a Screw,instrument, manufactured by Waltham Clock Co Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-435-8491?

NSN 5305-01-435-8491 has 1 cross-referenced part number: 688 (Waltham Clock Co Inc).

What NSN replaces 5305-01-435-8491?

There are 12 known substitutes for 5305-01-435-8491: 5935-00-224-0900, 5305-00-359-8866, 5935-00-543-8475 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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